fix(aibox): round-5 audit batch K - max_turns clamp, task input validation, XSS hardening, atomic writes, broadcast timeout
第五轮审计(J1~J16)全量修复 + 子代理 max_turns 钳制: - 子代理 max_turns 钳制(0/None 回退默认 10,负数钳制 1)+ 14 项回归测试 - J1 任务系统投毒:add_memo 入库校验(时间/间隔/类型)、调度器预检与触发事务 防御、展示路径兜底、register 移入 try、add_user_task 补 repeat_end_time 透传 - J2/J13 前端 XSS:三页面 marked 输出经 DOMPurify 净化、entry1 系统消息/任务 分隔条改 textContent、CDN 脚本补 SRI - J3 FTS 删除换序(先 fts 后内容表,索引不再残留) - J5 原子写推广:新增 common/atomic.py(mkstemp+fsync+os.replace),config/prompt/ history 全部接入;损坏配置备份后回退 - J6 单例初始化加锁(PromptManager/ConfigManager 并发首例不双重加载) - J7 broadcast 并发发送 + wait_for 超时回收僵死连接 - J4/J8/J9~J12/J14~J16:验证异常脱敏、交互输入容错、MemoDatabase WAL+busy_timeout、 memo 批量删除、/new 竞态、skills 引号转义、voice_client 清理、死代码移除、 skill_manager 同名键/help 截断
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@@ -22,6 +22,7 @@ from pathlib import Path
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from typing import TYPE_CHECKING, Dict, List, Optional
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from common import ConfigManager, Logger, constants
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from common.atomic import atomic_write_text
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if TYPE_CHECKING:
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# 仅用于类型注解,避免运行时循环导入;MemoryDatabase 来自同包 subsystems.db
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@@ -73,11 +74,9 @@ class ConversationHistory:
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def _atomic_write_json(path: Path, data) -> None:
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"""原子写 JSON(I 批,审计 2026-08-18):先写同目录临时文件再
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os.replace——此前 'w' 直写,进程中断/崩溃留半截 JSON(current 损坏
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后仅静默置 None,历史内容丢失)"""
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tmp = path.with_suffix(path.suffix + ".tmp")
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with open(tmp, 'w', encoding='utf-8') as f:
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json.dump(data, f, ensure_ascii=False, indent=2)
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os.replace(tmp, path)
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后仅静默置 None,历史内容丢失)。J5(2026-08-19):委托 common.atomic
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(mkstemp 随机名),修复旧实现固定 .tmp 名在多进程并发写同路径互踩。"""
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atomic_write_text(str(path), json.dumps(data, ensure_ascii=False, indent=2))
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def _save_history_index(self):
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"""保存历史索引"""
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